CN115066132A - Metal shell and manufacturing method thereof - Google Patents
Metal shell and manufacturing method thereof Download PDFInfo
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- CN115066132A CN115066132A CN202210734917.9A CN202210734917A CN115066132A CN 115066132 A CN115066132 A CN 115066132A CN 202210734917 A CN202210734917 A CN 202210734917A CN 115066132 A CN115066132 A CN 115066132A
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 122
- 239000002184 metal Substances 0.000 title claims abstract description 122
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 41
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- 238000000034 method Methods 0.000 claims description 66
- 229920002120 photoresistant polymer Polymers 0.000 claims description 46
- 238000005530 etching Methods 0.000 claims description 38
- 238000004043 dyeing Methods 0.000 claims description 37
- 230000008569 process Effects 0.000 claims description 25
- 239000003153 chemical reaction reagent Substances 0.000 claims description 15
- 238000000059 patterning Methods 0.000 claims description 13
- 238000005488 sandblasting Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000000975 dye Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000001312 dry etching Methods 0.000 claims description 5
- 238000004040 coloring Methods 0.000 claims description 4
- 230000003746 surface roughness Effects 0.000 claims description 4
- 238000010301 surface-oxidation reaction Methods 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 238000001039 wet etching Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 31
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/04—Metal casings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/22—Removing surface-material, e.g. by engraving, by etching
- B44C1/221—Removing surface-material, e.g. by engraving, by etching using streams of abrasive particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/22—Removing surface-material, e.g. by engraving, by etching
- B44C1/227—Removing surface-material, e.g. by engraving, by etching by etching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/22—Removing surface-material, e.g. by engraving, by etching
- B44C1/228—Removing surface-material, e.g. by engraving, by etching by laser radiation
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0243—Mechanical details of casings for decorative purposes
Abstract
The application discloses a metal shell and a manufacturing method thereof, wherein the manufacturing method of the metal shell comprises the following steps: determining a target pattern; dividing the target pattern into a plurality of pattern blocks; wherein, the colors of different pattern blocks are different; the same color of the same pattern block is the same; and forming the pattern blocks one by one in a preset area of the metal plate to be processed based on the pattern blocks so as to form the target pattern in the preset area and obtain the metal shell. It can be seen that the technical scheme of the application can divide the pattern blocks based on the target pattern, and then based on the pattern blocks, form each pattern block on the to-be-processed metal plate one by one, so that the target pattern is formed in the preset area of the to-be-processed metal plate, the metal shell is obtained, if the target pattern with the required appearance can be formed based on the requirement, and the diversity of the appearance of the metal shell is increased.
Description
Technical Field
The application relates to the technical field of electronic equipment structural parts, in particular to a metal shell and a manufacturing method thereof.
Background
With the continuous development of science and technology, more and more electronic devices are widely applied to daily life and work of people, bring great convenience to the daily life and work of people, and become an indispensable important tool for people.
Electronic equipment needs to be protected by the enclosure. The metal shell has better mechanical strength, heat dissipation and electromagnetic shielding effect, and thus becomes a mainstream product of the shell used in the current electronic equipment. As the demands of users on the appearance of electronic devices are upgraded, the users pay more attention to the overall appearance of the electronic devices.
However, due to the limitation of metal materials, the conventional metal shell has a single appearance style, and the requirement of a user for the appearance diversity of the metal shell cannot be met.
Disclosure of Invention
In view of this, the present application provides a metal shell and a method for manufacturing the same, and the scheme is as follows:
a method of making a metal shell, comprising:
determining a target pattern;
dividing the target pattern into a plurality of pattern blocks; wherein, the colors of different pattern blocks are different; the same color of the same pattern block is the same;
and forming the pattern blocks one by one in a preset area of the metal plate to be processed based on the pattern blocks so as to form the target pattern in the preset area and obtain the metal shell.
Preferably, in the above manufacturing method, forming the pattern blocks one by one in a preset area of the metal plate to be processed based on the pattern blocks to form the target pattern in the preset area includes:
dividing the preset area into a plurality of sub-areas corresponding to the pattern blocks one by one;
the subregions are patterned and anodically dyed, respectively.
Preferably, in the above manufacturing method, the method of patterning and anodically dyeing the sub-region includes:
forming a graphical photoresist layer on the surface of the plate to be processed, wherein the graph of the photoresist layer is the same as the pattern of the pattern block corresponding to the subarea; the photoresist layer exposes the sub-area which needs to be subjected to anodic dyeing at present and covers other areas of the surface;
performing first etching on the exposed sub-area based on the photoresist layer to pattern the sub-area and form the outline shape of the corresponding pattern block;
immersing the etched surface of the subregion in an oxidizing reagent for surface oxidation based on the photoresist layer, and forming an oxide film on the surface of the subregion;
immersing the surface of the subregion in a dyeing reagent to dye the oxide film; the dyeing reagent dyes the subareas in the same color as the pattern blocks corresponding to the subareas;
and removing the photoresist layer.
Preferably, in the above manufacturing method, after the patterning and anodic dyeing of the sub-regions, the method further includes:
and engraving the color depth in the oxide film through a laser micro-engraving process so as to adjust the color saturation of different areas of the oxide film.
Preferably, in the above manufacturing method, after the patterning and anodic dyeing are performed on all the sub-regions, the method further includes:
simultaneously carrying out at least one second etching on each sub-area to form a three-dimensional pattern texture;
wherein the etching precision of the second etching is higher than that of the first etching.
Preferably, in the above manufacturing method, the first etching is wet etching;
the second etching is dry etching.
Preferably, in the above manufacturing method, before forming one pattern block, the method further includes:
cleaning the metal plate to be treated;
and carrying out sand blasting treatment on the cleaned metal plate to be treated so as to improve the surface roughness of the metal plate.
Preferably, the above method further comprises:
and forming a light-transmitting protective film on the surface of the metal plate to be processed after the target pattern is formed in the preset area.
The present application further provides a metal shell, including:
a metal plate;
the target pattern is arranged in a preset area of the metal plate;
wherein the target pattern comprises a plurality of pattern blocks, and the colors of different pattern blocks are different; the same color of the pattern blocks is the same.
Preferably, in the metal housing, the preset region includes a plurality of sub-regions corresponding to the pattern blocks one to one; the sub-region has an etching pattern formed on the basis of the pattern block, and the surface of the etching pattern has a colored oxide film.
As can be seen from the above description, in the metal shell and the manufacturing method thereof provided in the present application, the manufacturing method of the metal shell includes: determining a target pattern; dividing the target pattern into a plurality of pattern blocks; wherein, the colors of different pattern blocks are different; the same color of the same pattern block is the same; and forming the pattern blocks one by one in a preset area of the metal plate to be processed based on the pattern blocks so as to form the target pattern in the preset area and obtain the metal shell. It can be seen that the technical scheme of the application can divide the pattern blocks based on the target pattern, and then based on the pattern blocks, form each pattern block on the to-be-processed metal plate one by one, so that the target pattern is formed in the preset area of the to-be-processed metal plate, the metal shell is obtained, if the target pattern with the required appearance can be formed based on the requirement, and the diversity of the appearance of the metal shell is increased.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in related arts, the drawings used in the description of the embodiments or prior arts will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
The structures, proportions, and dimensions shown in the drawings and described in the specification are for illustrative purposes only and are not intended to limit the scope of the present disclosure, which is defined by the claims, but rather by the claims, it is understood that these drawings and their equivalents are merely illustrative and not intended to limit the scope of the present disclosure.
Fig. 1 is a schematic flow chart of a method for manufacturing a metal shell according to an embodiment of the present disclosure;
2-6 are schematic diagrams illustrating a method for manufacturing a metal shell according to an embodiment of the present disclosure;
FIG. 7 is a flowchart of a method for forming a target pattern on a metal plate to be processed according to an embodiment of the present disclosure;
FIG. 8 is a flowchart of a method for patterning and anodically coloring sub-regions according to an embodiment of the present disclosure;
FIG. 9 is a flow chart of another method for patterning and anodically coloring sub-regions provided in an embodiment of the present application;
FIG. 10 is a flowchart of a method for pre-treating a board to be treated according to an embodiment of the present disclosure;
fig. 11 is a schematic flow chart illustrating another method for manufacturing a metal shell according to an embodiment of the present disclosure;
fig. 12 is a process flow diagram of a method for manufacturing a metal shell according to an embodiment of the present disclosure;
fig. 13 is a top view of a metal shell according to an embodiment of the present disclosure;
fig. 14 is a schematic structural diagram of an anodic dyeing system according to an embodiment of the present application.
Detailed Description
Embodiments of the present application will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the application are shown, and in which it is to be understood that the embodiments described are merely illustrative of some, but not all, of the embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The surface pattern precision of the conventional metal shell is more than 1mm, and the precision is poor. And the compatibility of the manufacturing process and the prior art is poor, the micro-structure of the micro-nano pattern on the metal shell with the surface pattern can be damaged, the finally formed surface pattern has larger aberration, the integral effect of the surface pattern of the metal shell is damaged, and the metal texture is also damaged, so that the surface pattern of the metal shell is lack of agility.
In view of this, embodiments of the present disclosure provide a metal shell and a manufacturing method thereof, where the manufacturing method is capable of dividing pattern blocks based on a target pattern, and then forming each pattern block on a metal plate to be processed one by one based on the pattern blocks, so as to form the target pattern in a preset area of the metal plate to be processed, obtain the metal shell, and if the metal shell can form the target pattern with a desired appearance based on a requirement, increase the diversity of the appearance of the metal shell.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, fig. 1 is a schematic flow chart of a manufacturing method of a metal shell according to an embodiment of the present application, where the manufacturing method includes:
step S11: a target pattern is determined.
The target pattern is a desired pattern on the metal shell, and can be set based on requirements, including but not limited to characters, geometric figures, characters, or scenes. Different target images can be designed according to the appearance requirements of the metal shell, so that patterns with different graphic structures and/or colors can be formed on the metal shell, and the diversity of the appearance of the metal shell is realized.
Step S12: dividing the target pattern into a plurality of pattern blocks; wherein, the colors of different pattern blocks are different; the same color of the pattern blocks is the same.
And dividing the target image into a plurality of pattern blocks based on the color distribution in the target image to form a plurality of pattern blocks, so that the colors of different pattern blocks are different, and the same pattern block has the same color.
Step S13: and forming the pattern blocks one by one in a preset area of the metal plate to be processed based on the pattern blocks so as to form the target pattern in the preset area and obtain the metal shell.
Therefore, the method for manufacturing the metal shell can divide the pattern blocks based on the target pattern, and then form each pattern block on the metal plate to be processed one by one based on the pattern blocks, so that the target pattern is formed in the preset area of the metal plate to be processed, the metal shell is obtained, and if the target pattern with the required appearance can be formed based on the requirement, the diversity of the appearance of the metal shell is increased.
As shown in fig. 2 to 6, fig. 2 to 6 are schematic diagrams illustrating a method for manufacturing a metal shell according to an embodiment of the present disclosure. By adopting the method for manufacturing the metal shell according to the embodiment of the application, the target pattern shown in fig. 2 is manufactured on the metal substrate to be processed, the target pattern comprises a plurality of triangles, the colors of the triangles are not completely the same, different filling areas in fig. 2 represent different pattern colors, and the leopard graph structure shown in fig. 2 has four different colors, so that the leopard graph structure can be divided into four pattern blocks which are respectively shown in fig. 3-6. Based on the pattern blocks shown in fig. 3-6, the pattern blocks are respectively formed at the corresponding positions of the preset area, that is, the target pattern shown in fig. 2 can be formed on the surface of the metal plate to be processed, so that the metal shell with the target pattern is formed.
Referring to fig. 7, fig. 7 is a flowchart of a method for forming a target pattern on a metal plate material to be processed according to an embodiment of the present application, and as shown in fig. 7, in the step S12, the forming the pattern blocks one by one in a preset area of the metal plate material to be processed based on the pattern blocks to form the target pattern in the preset area includes:
step S21: and dividing the preset area into a plurality of sub-areas which correspond to the pattern blocks one by one.
Step S22: the subregions are patterned and anodically dyed, respectively.
According to the method shown in fig. 7, the preset area is divided into a plurality of sub-areas corresponding to the pattern blocks one by one, and the sub-areas are subjected to patterning and anodic dyeing, so that the corresponding pattern blocks can be formed on the sub-areas, and the target pattern with the appearance of multiple colors can be formed on the metal plate to be processed.
Referring to fig. 8, fig. 8 is a flowchart of a method for patterning and anodically dyeing a sub-region according to an embodiment of the present application, and as shown in fig. 8, in step S22, the method for patterning and anodically dyeing the sub-region includes:
step S31: and forming a graphical photoresist layer on the surface of the plate to be processed.
The pattern of the photoresist layer is the same as the pattern of the pattern block corresponding to the sub-area; the photoresist layer exposes the sub-area which needs to be anodically dyed at present and covers other areas of the surface.
The photoresist layer with the required pattern structure is formed based on the photoetching process, and high-precision pattern morphology can be formed, so that the outline shape of a pattern block formed based on the photoresist layer in the subsequent first etching process has high precision, and the formed pattern precision is below 1 mm.
Step S32: and performing first etching on the exposed sub-area based on the photoresist layer to pattern the sub-area and form the outline shape of the corresponding pattern block.
Formed on the basis of a photolithographic process
Step S33: and based on the photoresist layer, immersing the surface of the etched sub-region in an oxidizing reagent for surface oxidation to form an oxide film on the surface of the sub-region.
Step S34: and immersing the surface of the subregion in a dyeing reagent to dye the oxide film.
Wherein, the dyeing reagent dyes the sub-area with the same color as the pattern block corresponding to the sub-area.
Step S35: and removing the photoresist.
In the embodiment of the application, the concentration of the oxidation film for adsorbing the dyeing reagent in the dyeing process can be adjusted by controlling the thickness of the oxidation film, so that the saturation adjustment of dyeing chroma is realized. The method realizes surface dyeing by adsorbing the dyeing reagent through the oxide film, has simple process and low manufacturing cost, does not damage the appearance of the pattern formed by the first etching in the dyeing process, ensures the overall effect of the finally formed target pattern, and has better flexibility. The pattern blocks in different sub-areas can adopt dyeing reagents with different colors to form required colors, target patterns with various colors can be formed, and compared with the appearance of a conventional single-color metal shell, the color-changing metal shell not only can realize various target patterns, but also can realize the diversity of the colors of the target patterns.
Based on the method shown in fig. 8, corresponding pattern blocks can be formed in each sub-area. After the pattern block corresponding to the surface of the previous sub-area is formed, the photoresist layer covers the pattern block formed by the previous sub-area in the process of forming the pattern block corresponding to the surface of the next sub-area, and the photoresist layer can be used as a protective layer of the pattern block formed by the previous sub-area, so that the pattern block formed by the previous sub-area is prevented from being damaged in the process of forming the pattern block corresponding to the surface of the next sub-area.
Referring to fig. 9, fig. 9 is a flowchart of another method for patterning and anodically dyeing a sub-region according to an embodiment of the present application, in a manner shown in fig. 8, after the patterning and anodically dyeing of the sub-region, the method shown in fig. 9 further includes:
step S36: and engraving the color depth in the oxide film through a laser micro-engraving process so as to adjust the color saturation of different areas of the oxide film.
Based on the laser micro-carving process, the protection degree of the dyed pattern color can be adjusted to achieve a better color appearance effect.
In the method shown in fig. 9, the laser micro-engraving process may be performed after the photoresist layer is removed, or may be performed before the photoresist layer is removed in other manners, which is not limited in this embodiment.
After all the sub-regions are patterned and anodically dyed by the method shown in fig. 8, the method further includes: simultaneously carrying out at least one second etching on each sub-area to form a three-dimensional pattern texture; wherein the etching precision of the second etching is higher than that of the first etching. And forming a three-dimensional effect through the second etching, so that the target pattern on the surface of the metal shell has the three-dimensional effect.
In the embodiment of the application, the first etching wet etching is performed, and the second etching is dry etching. The first etching aims at forming the outline shape of the corresponding pattern block in the sub-region, high precision is not needed, and the requirement can be met by sampling dry etching. The second etching needs to form a high-precision three-dimensional microstructure, and the dry etching is adopted, has anisotropy, has excellent side wall profile control and etching uniformity, and can form good three-dimensional microstructure.
In the embodiment of the present application, before forming one of the pattern blocks, a pretreatment process is further performed on the metal plate to be treated, where the pretreatment process is as shown in fig. 10.
Referring to fig. 10, fig. 10 is a flowchart of a method for preprocessing a board to be processed according to an embodiment of the present application, and as shown in fig. 10, before forming one pattern block, the method further includes:
step S41: and carrying out sand blasting treatment on the metal plate to be treated so as to improve the surface roughness of the metal plate.
The surface roughness of the metal plate to be treated can be increased by carrying out sand blasting treatment on the surface of the metal plate to be treated, so that an oxide film can not be conveniently formed on the surface of the corresponding subregion in the subsequent process, the oxide film can be conveniently dyed, and the stability of a protective film attached to the subsequent surface can be improved.
Step S42: and cleaning the metal plate to be treated after the sand blasting treatment.
The cleaning method includes, but is not limited to, plasma cleaning or ultrasonic cleaning, and the like, and this is not particularly limited in this embodiment of the present application.
Referring to fig. 11, fig. 11 is a schematic flow chart of another method for manufacturing a metal shell according to an embodiment of the present application, where based on the method shown in fig. 1, the method shown in fig. 11 further includes:
step S14: and forming a light-transmitting protective film on the surface of the metal plate to be processed after the target pattern is formed in the preset area.
The protective film is a colorless transparent film layer and can be formed through a coating process, the material and the film thickness of the protective film can be set according to requirements, and the material and the film thickness of the protective film are not limited in the embodiment of the application.
In the embodiment of the application, the metal plate to be treated is an aluminum alloy plate, has better mechanical strength and lighter texture. Obviously, the metal plate to be treated may also be other metal materials or alloy materials, which is not limited in the embodiments of the present application.
The method for manufacturing the metal shell according to the embodiment of the present application is further described below with reference to a specific process flow.
Referring to fig. 12, fig. 12 is a process flow chart of a method for manufacturing a metal shell according to an embodiment of the present disclosure, where the method includes:
step S51: providing a metal plate to be treated.
Before forming the target pattern, the metal plate to be processed needs to be pretreated, and the pretreatment comprises the steps S52 and S52 in sequence.
Step S52: and carrying out sand blasting treatment on the metal plate to be treated.
Step S53: and after the sand blasting treatment, carrying out plasma cleaning on the metal plate to be treated.
After the processing, corresponding pattern blocks are sequentially formed in the sub-areas of the preset area, the process sequentially includes steps S54-S61, and the specific implementation manner is as follows:
step S54: and spraying photoresist on the surface subjected to sand blasting treatment and cleaning.
Step S55: and prebaking the photoresist to volatilize organic matters in the photoresist so as to realize the precuring of the photoresist.
Step S56: and exposing the photoresist based on the pattern structure of the pattern block corresponding to the sub-area.
Step S57: and developing the exposed photoresist.
Step S58: and curing and baking the developed photoresist to completely cure the photoresist.
Step S59: and based on the previous developed pattern, performing pattern etching on the cured photoresist to pattern the photoresist and form a patterned photoresist layer, wherein the pattern of the photoresist layer is the same as the pattern of the pattern block corresponding to the sub-area. The photoresist layer exposes the sub-area which needs to be anodically dyed at present and covers other areas of the surface. And forming the outline shape of the corresponding pattern block on the exposed sub-area based on the patterned photoresist layer.
Step S60: and on the basis of the patterned photoresist layer, after an oxide film is formed on the surface of the currently exposed sub-area, dyeing the oxide film by using a dyeing reagent, thereby finishing the anodic dyeing of the current sub-area.
Step S61: and performing glue removing treatment, removing the photoresist layer on the surface of the metal plate to be treated, and finishing the preparation of the pattern block on the surface of the current sub-area.
The steps S54 to S61 are also adopted to complete the preparation of the pattern blocks on the surface of other blocks, such that a multi-plate registration pattern structure is formed, and finally a desired target pattern is formed on the metal plate to be processed. The target pattern is set to not more than four colors so as to form a desired target pattern on the metal plate material to be processed. The color type of the target pattern may be based on the required sound, which is not specifically limited in the embodiment of the present application, and in order to improve the appearance color diversity, more than four colors of the target pattern may be set.
As can be seen from the above description, in the manufacturing method according to the embodiment of the present application, after the pattern blocks of the target pattern are divided, the pattern blocks are formed one by one in the preset area of the metal plate to be processed, each pattern block forming process includes one exposure and development of the photoresist and one anodic dyeing, and the target pattern with diversified pattern structures and diversified colors can be formed on the surface of the metal shell. Moreover, for the block with color gray scale change, the color depth in the oxide film can be carved by adopting a laser micro-carving process so as to adjust the color saturation of different areas of the oxide film. And for a target pattern with required depth characteristics, a mask layer is manufactured by exposure and development, and at least one second etching is adopted to form a three-dimensional pattern texture, so that a three-dimensional appearance effect is realized.
Therefore, the manufacturing method can be used for preparing colorful micro-nano holographic patterns on the metal plate to be processed, the stereoscopic appearance effect is achieved through the second etching, and the saturation effect of the target patterns is enhanced through the surface laser micro-carving process.
Based on the above embodiments, another embodiment of the present application further provides a metal shell, as shown in fig. 13.
Referring to fig. 13, fig. 13 is a top view of a metal shell according to an embodiment of the present disclosure, where the metal shell includes:
a metal plate material 11;
a target pattern 12 disposed in a predetermined region of the metal plate 11;
wherein the target pattern 12 comprises a plurality of pattern areas, and the colors of different pattern areas are different; the same color of the pattern blocks is the same. The block division of the target pattern 12 can be referred to as shown in fig. 3-6, and is not described in detail in this embodiment.
The metal shell has the target pattern 12 formed by the plurality of pattern blocks, the target pattern 12 with different graphic structures can be formed based on the pattern blocks, and the target pattern 12 has various colors, so that the appearance diversity of the metal shell is realized.
In the metal shell, the preset area comprises a plurality of sub-areas corresponding to the pattern blocks one to one; the sub-region has an etching pattern formed on the basis of the pattern block, and the surface of the etching pattern has a colored oxide film. The required pattern area can be formed in the sub-area by combining the photoetching process and the anodic dyeing process, the manufacturing process is simple, and a high-precision graph structure can be formed.
Based on the above embodiments, another embodiment of the present application further provides an anodic dyeing system, as shown in fig. 14.
Referring to fig. 14, fig. 14 is a schematic structural diagram of an anodic dyeing system according to an embodiment of the present application, including:
the host 21 is used for determining a target pattern and dividing the target pattern into a plurality of pattern blocks; wherein, the colors of different pattern blocks are different; the same color blocks have the same color; the host 21 has a graphic processing system capable of pattern-block division of a target pattern based on color;
and the processing equipment 22 is used for forming the pattern blocks one by one in a preset area of the metal plate to be processed based on the pattern blocks so as to form the target pattern in the preset area.
In the anodic dyeing system, the host 21 is configured to divide the preset area into a plurality of sub-areas corresponding to the pattern blocks one to one, and control the processing device 22 to perform patterning and anodic dyeing on the sub-areas respectively.
Specifically, the processing device 22 includes:
the first etching equipment is used for forming a graphical photoresist layer on the surface of the plate to be processed, the photoresist layer exposes the sub-area which needs to be subjected to anodic dyeing at present and covers other areas of the surface, and first etching is carried out on the exposed sub-area based on the photoresist layer so as to graph the sub-area and form the outline shape of the corresponding pattern block;
the metal anodic oxidation equipment is used for immersing the surface of the etched sub-area in an oxidation reagent for surface oxidation based on the photoresist layer, and forming an oxide film on the surface of the sub-area;
the dyeing equipment is used for immersing the surface of the subregion in a dyeing reagent to dye the oxidation film;
and the stripping equipment is used for removing the photoresist.
The anodic dyeing system can be used for manufacturing the metal shell in the embodiment, a required target pattern can be formed on the surface of the metal shell on the basis of requirements, and the appearance diversity of the metal shell is realized.
The embodiments in the present description are described in a progressive manner, or in a parallel manner, or in a combination of a progressive manner and a parallel manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments can be referred to each other.
It should be noted that in the description of the present application, the drawings and the description of the embodiments are to be regarded as illustrative in nature and not as restrictive. Like numerals refer to like structures throughout the description of the embodiments. Additionally, the figures may exaggerate the thicknesses of some layers, films, panels, regions, etc. for ease of understanding and ease of description. It will also be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. In addition, "on …" means that an element is positioned on or under another element, but does not essentially mean that it is positioned on the upper side of another element according to the direction of gravity.
The terms "upper," "lower," "top," "bottom," "inner," "outer," and the like refer to an orientation or positional relationship relative to an orientation or positional relationship shown in the drawings for ease of description and simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method for manufacturing a metal shell comprises the following steps:
determining a target pattern;
dividing the target pattern into a plurality of pattern blocks; wherein, the colors of different pattern blocks are different; the same color of the same pattern block is the same;
and forming the pattern blocks one by one in a preset area of the metal plate to be processed based on the pattern blocks so as to form the target pattern in the preset area and obtain the metal shell.
2. The manufacturing method according to claim 1, wherein the step of forming the pattern blocks one by one in a preset area of the metal plate to be processed based on the pattern blocks to form the target pattern in the preset area comprises:
dividing the preset area into a plurality of sub-areas corresponding to the pattern blocks one by one;
the subregions are patterned and anodically dyed, respectively.
3. A method of making as claimed in claim 1, the method of patterning and anodically coloring the sub-regions comprising:
forming a graphical photoresist layer on the surface of the plate to be processed, wherein the graph of the photoresist layer is the same as the pattern of the pattern block corresponding to the sub-area; the photoresist layer exposes the sub-area which needs to be subjected to anodic dyeing at present and covers other areas of the surface;
performing first etching on the exposed sub-area based on the photoresist layer to pattern the sub-area and form the outline shape of the corresponding pattern block;
immersing the etched surface of the subregion in an oxidizing reagent for surface oxidation based on the photoresist layer, and forming an oxide film on the surface of the subregion;
immersing the surface of the subregion in a dyeing reagent to dye the oxide film; the dyeing reagent dyes the subareas in the same color as the pattern blocks corresponding to the subareas;
and removing the photoresist layer.
4. The method of claim 3, wherein the sub-regions, after being patterned and anodically dyed, further comprise:
and engraving the color depth in the oxide film through a laser micro-engraving process so as to adjust the color saturation of different areas of the oxide film.
5. The method of claim 3, further comprising, after the step of patterning and anodically coloring all of the sub-regions:
simultaneously carrying out at least one second etching on each sub-area to form a three-dimensional pattern texture;
wherein the etching precision of the second etching is higher than that of the first etching.
6. The manufacturing method according to claim 5, wherein the first etching is wet etching;
the second etching is dry etching.
7. The method of manufacturing according to claim 1, further comprising, before forming one of the pattern blocks:
carrying out sand blasting treatment on the metal plate to be treated so as to improve the surface roughness of the metal plate;
and cleaning the metal plate to be treated after the sand blasting treatment.
8. The method of manufacturing of claim 1, further comprising:
and forming a light-transmitting protective film on the surface of the metal plate to be processed after the target pattern is formed in the preset area.
9. A metal shell, comprising:
a metal plate material;
the target pattern is arranged in a preset area of the metal plate;
wherein the target pattern comprises a plurality of pattern blocks, and the colors of different pattern blocks are different; the same color of the pattern blocks is the same.
10. The metal shell according to claim 9, wherein the predetermined area comprises a plurality of sub-areas corresponding to the pattern blocks one to one; the sub-region has an etching pattern formed on the basis of the pattern block, and the surface of the etching pattern has a colored oxide film.
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| CN202210734917.9A CN115066132A (en) | 2022-06-20 | 2022-06-20 | Metal shell and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210734917.9A CN115066132A (en) | 2022-06-20 | 2022-06-20 | Metal shell and manufacturing method thereof |
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